[ui][db manager] Insure the information views are friendly to dark themes

[nirvn]

Description

This PR fixes db manager information view to be dark theme friendly.

Before (left) vs. PR (right):

For the default/light theme, the look essentially stays the same.

Fixes #56105.

[github-actions]

🪟 Windows builds ready!

Windows builds of this PR are available for testing here. Debug symbols for this build are available here.

(Built from commit a36901d)

[github-actions]

Tests failed for Qt 6

One or more tests failed using the build from commit a36901d

composermap_render (render)

composermap_render

Test failed at render at tests/src/core/testqgslayoutmap.cpp:185

Rendered image did not match tests/testdata/control_images/composer_map/expected_composermap_render/expected_composermap_render.png (found 13824 pixels different)

composermap_overview_center (overviewMapCenter)

composermap_overview_center

Test failed at overviewMapCenter at tests/src/core/testqgslayoutmapoverview.cpp:224

Rendered image did not match tests/testdata/control_images/composer_mapoverview/expected_composermap_overview_center/expected_composermap_overview_center.png (found 116 pixels different)

flat_terrain_2 (testFlatTerrain)

flat_terrain_2

Test failed at testFlatTerrain at tests/src/3d/testqgs3drendering.cpp:316

Rendered image did not match tests/testdata/control_images/3d/expected_flat_terrain_2/expected_flat_terrain_2.png (found 2725 pixels different)

dem_terrain_1 (testDemTerrain)

dem_terrain_1

Test failed at testDemTerrain at tests/src/3d/testqgs3drendering.cpp:363

Rendered image did not match tests/testdata/control_images/3d/expected_dem_terrain_1/expected_dem_terrain_1.png (found 1603 pixels different)

4978_line_rendering_2 (testEpsg4978LineRendering)

4978_line_rendering_2

Test failed at testEpsg4978LineRendering at tests/src/3d/testqgs3drendering.cpp:1293

Rendered image did not match tests/testdata/control_images/3d/expected_4978_line_rendering_2/expected_4978_line_rendering_2.png (found 128045 pixels different)

phong_shading (testPhongShading)

phong_shading

Test failed at testPhongShading at tests/src/3d/testqgs3drendering.cpp:503

Rendered image did not match tests/testdata/control_images/3d/expected_phong_shading/expected_phong_shading.png (found 54 pixels different)

metal_rough (testExtrudedPolygonsMetalRoughShading)

metal_rough

Test failed at testExtrudedPolygonsMetalRoughShading at tests/src/3d/testqgs3drendering.cpp:649

Rendered image did not match tests/testdata/control_images/3d/expected_metal_rough/expected_metal_rough.png (found 54 pixels different)

line_rendering_2 (testLineRendering)

line_rendering_2

Test failed at testLineRendering at tests/src/3d/testqgs3drendering.cpp:761

• Rendered image did not match tests/testdata/control_images/3d/expected_line_rendering_2/default/expected_line_rendering_2.png (found 5180 pixels different)
• Rendered image did not match tests/testdata/control_images/3d/expected_line_rendering_2/travis/expected_line_rendering_2.png (found 43 pixels different)

dem_terrain_filtered_1 (testFilteredDemTerrain)

dem_terrain_filtered_1

Test failed at testFilteredDemTerrain at tests/src/3d/testqgs3drendering.cpp:1370

Rendered image did not match tests/testdata/control_images/3d/expected_dem_terrain_filtered_1/expected_dem_terrain_filtered_1.png (found 3886 pixels different)

composermap_overview_center

composermap_overview_center

Test failed at testOverviewMapCenter at tests/src/python/test_qgslayoutmapoverview.py:161

Rendered image did not match tests/testdata/control_images/composer_mapoverview/expected_composermap_overview_center/expected_composermap_overview_center.png (found 116 pixels different)

composermap_overview_belowmap

composermap_overview_belowmap

Test failed at testOverviewStacking at tests/src/python/test_qgslayoutmapoverview.py:333

Rendered image did not match tests/testdata/control_images/composer_mapoverview/expected_composermap_overview_belowmap/expected_composermap_overview_belowmap.png (found 580 pixels different)

The full test report (included comparison of rendered vs expected images) can be found here.

Further documentation on the QGIS test infrastructure can be found in the Developer's Guide.